FR641453A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to pumps or compressors
Assignee: Sidney Eales Hales
•
Filing: 1927-09-07
•
Granted: 1928-08-04
•
Expires: 1947-09-07
Abstract
No abstract record available.
Inventors
- 👤 Sidney Eales Hales
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 09:57
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; F04B43/00; F04B43/08; F04B43/10; F04B43/107; F04B53/00; F04B53/06; F04B9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.